Global Patent Index - EP 1038860 A1

EP 1038860 A1 2000-09-27 - Process for the production of an acid derivative of an ose by decarboxylation with hydrogen peroxyde

Title (en)

Process for the production of an acid derivative of an ose by decarboxylation with hydrogen peroxyde

Title (de)

Verfahren zur Herstellung von einem Säurederivat eines Zuckers durch Decarboxylierung mit Wasserstoffperoxid

Title (fr)

Procédé de fabrication d'un dérivé acide d'ose par décarboxylation au peroxyde d'hydrogène

Publication

EP 1038860 A1 (FR)

Application

EP 00400691 A

Priority

FR 9903158 A

Abstract (en)

The production of sugar acid derivatives containing n carbon atoms comprises reacting an alpha -keto sugar acid derivative (I) containing n+1 carbon atoms with hydrogen peroxide in a reaction medium without pH regulation.

Abstract (fr)

L'invention concerne un procédé de fabrication d'un dérivé acide d'ose comportant sur la chaîne carbonée n atomes de carbone, caractérisé par le fait que l'on met en contact un dérivé acide d'ose à n+1 atomes de carbone comportant au moins une fonction cétone, et/ou un de ses sels, avec du peroxyde d'hydrogène dans un milieu réactionnel sans régulation de pH.

IPC 1-7 (main, further and additional classification)

C07C 51/38; C07C 59/105

IPC 8 full level (invention and additional information)

C07C 51/38 (2006.01)

CPC (invention and additional information)

C07C 51/38 (2013.01)

Combination set (CPC)

C07C 51/38 + C07C 59/105

Citation (search report)

  • [PA] FR 2771413 A1 19990528 - ROQUETTE FRERES [FR]
  • [DA] ISBELL H. S. ET AL.: "Oxidation of sodium salts of alduronic and glyculosonic acids by sodium peroxide", CARBOHYDRATE RESEARCH, vol. 36, 1974, pages 283 - 291, XP000856561
  • [A] LIANG, YUN TEH S. ET AL: "Synthesis of D-erythroascorbic acid", J. CARBOHYDR. CHEM. (1990), 9(1), 75-84, XP000863157
  • [A] HUMPHLETT, WILBERT J.: "Synthesis of some esters and lactones of aldonic acids", CARBOHYDR. RES. (1967), 4(2), 157-64, XP000863144

Designated contracting state (EPC)

BE DE ES FR GB IT

EPO simple patent family

EP 1038860 A1 20000927; EP 1038860 B1 20021113; DE 60000753 D1 20021219; DE 60000753 T2 20030918; ES 2186616 T3 20030516; FR 2791058 A1 20000922; FR 2791058 B1 20010608; US 6245940 B1 20010612

INPADOC legal status


2005-03-13 [PG25 IT] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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